Our Murphy is actually an extremely gentle dog and protects the kids as if they were her own. Perhaps it is a male/female Border thing. She has 'nipped' some people in the heel or calf when trying to herd them, but that only happened when she was a puppy. Perhaps it's because she always has a ball or toy in her mouth nowadays, hoping she can convine someone to throw it for her.

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-'13 E93 M3 Cab, Interlagos Blue, Carbon Black leather, DCT, all options, and fun, endless fun!
-'13 X5 35i M-Sport, Carbon Black & Cinnamon, Dinan Stage 2!
-'15 Toyota Sienna Limited Premium AWD, Silver & Grey, Nav & BluRay, and less lame than the 2011 it replaced
-'07 Mini Cab S, Laser Blue, 6sp, endless fun that ended (sold)
-'04 X5 4.4i, loaded, loved, modded and sold